S&S - CAM KITS FOR TWIN CAM 583 SERIES GRIND CAMS Provides strong low-end torque and horsepower. 99-04 models require high lift springs. Strongest from 1500-5000 rpm. Great overall cam for...

S&S - CAM FOR EVOLUTION-STYLE ENGINES S&S Cams are tested on the dyno, street and track before being offered to the public. With hundreds of hours of testing on each cam, you know you...

S&S - SUPER STOCK™ PISTON KIT FOR EVO BIG TWIN Piston kits include forged pistons, rings, wrist pins and clips for a complete motor. Made in the U.S.A. Sold in pairs. NOTE: This...

S&S - CAMSHAFT INSTALLATION KIT FOR TWIN CAM Made in the U.S.A. Includes all gaskets, bearings and hardware necessary to install gear or chain driven cams. Compatible...

S&S - SUPER STOCK CYLINDER HEADS FOR 1984-1999 EVO BIG TWIN Natural aluminum Compatible with stock 3-1/2"or 3-5/8" bore engines Large 2.000" intake and 1.605" exhaust valves...

S&S - 95 INCH BIG BORE KIT Available in black or silver powder-coat finish. 9.7:1 compression ratio with stock heads. Made in the U.S.A. Kits include cylinders, pistons, rings and gaskets...

S&S - 95 INCH BIG BORE KIT Available in black or silver powder-coat finish. 9.7:1 compression ratio with stock heads. Made in the U.S.A. Kits include cylinders, pistons, rings and gaskets...

S&S - 106 Inch Twin Cam Cylinder And Piston Kit Made in the U.S.A. For use with S&S 106 inch twin cam stroker kit ONLY. 10.5:1 Compression ratio. NOTE: This project requires a skilled...

S&S - SIDEWINDER VALVE SPRING KIT For valve lift to .585" or .650" (See title of listing) Includes springs, top and bottom collars, keeper shims and valve seals. Made in the U.S.A...

S&S - CAM KITS FOR TWIN CAM 510 SERIES GRIND CAMS Strongest from 3,000-5,000 rpm. Stock pushrods and valve springs acceptable. 510G/510C cams are designed as bolt-in cam for 88",...

S&S - PINION GEAR Made in the U.S.A. High-quality pinion gears are carefully machined, heat treated and then finish ground. Available in various sizes. Sold each. Compatible...

S&S - 640 Easy Start Cam Kit Save your starter and battery; tested for 10,000 starts without running battery down. Start any engine regardless of displacement or compression ratio with a...